Finding the Fourth Proportional to 3,653,847.98, 5,042,320.97 and 2,022,368.66
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Solution
The fourth proportional to 3,653,847.98, 5,042,320.97 and 2,022,368.66 is: 2,790,874.70
Step by Step Solution
- Step 1: Write the proportion equation
3,653,847.98 : 5,042,320.97 = 2,022,368.66 : x - Step 2: Convert to fraction form
3,653,847.98/5,042,320.97 = 2,022,368.66/x - Step 3: Cross multiply
3,653,847.98x = 5,042,320.97 × 2,022,368.66 - Step 4: Simplify right side
3,653,847.98x = 10,197,431,868,065.35 - Step 5: Solve for x
x = 10,197,431,868,065.35/3,653,847.98 - Step 6: Final answer
x = 2,790,874.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.